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Equations

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Equations
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation: 4m + 9 = 21

m = 10

m = 7

m = 3

m = 5

Answer explanation

Subtract 9 from both sides to isolate 4m: 4m = 12. Then divide by 4 to solve for m: m = 3. Therefore, the correct answer is m = 3.

Tags

CCSS.7.EE.B.4A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation for the following word problem: If a number is divided by 4, the result is 7.

x = 21

x = 10

x = 14

x = 28

Answer explanation

To find the number, we multiply the result by the divisor: 7 * 4 = 28. Therefore, the equation is x = 28, which is the correct answer choice.

Tags

CCSS.6.EE.B.7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation: 1/2 * y = 3

y = 2

y = 6

y = 4

y = 8

Answer explanation

To solve the equation 1/2 * y = 3, multiply both sides by 2 to get y = 6. Therefore, the correct answer is y = 6.

Tags

CCSS.6.EE.B.7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use inverse operations to solve the equation: 3q + 4 = 19

q = 10

q = 6

q = 4

q = 5

Answer explanation

To solve the equation, first subtract 4 from both sides to isolate 3q. Then, divide by 3 to find q = 5.

Tags

CCSS.7.EE.B.4A

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the variable in the equation: 4a + 2 = 10

c

b

x

a

Answer explanation

The variable in the equation is 'a' because it is multiplied by 4 in the term 4a.

Tags

CCSS.6.EE.A.2B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write an equation for the following word problem: If a number is doubled, the result is 16.

2x = 16

x = 8

2x = 12

2x = 8

Answer explanation

The correct equation for the word problem 'If a number is doubled, the result is 16' is 2x = 16, where x represents the number.

Tags

CCSS.HSA.CED.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve the equation: 3/4 * b = 5

b = 20/3

b = 25/3

b = 4/3

b = 15/4

Answer explanation

To solve the equation 3/4 * b = 5, multiply both sides by 4/3 to isolate b. This gives b = 20/3, which is the correct answer.

Tags

CCSS.6.EE.B.7

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